MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS upload directories. This behavior is characteristic of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vatlieutaphu.com/upload/files/24338174907.pdf In PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ea556fa37---benivomune.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210616034634.pdfIn PDF document text
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/673a26c8a80fe4d254f4166212abc71a/zezanojinovesugedidupew.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/19247504527.pdfIn PDF document text
- https://tempatpasang.com/contents//files/48179167724.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab37e45b01---78649423330.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/44c43a7cb10ce1402a663eba23145fde/xuxozeluni.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cee7d78412f---vudogojafufeg.pdfIn PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f08cf11d0---61076029012.pdfIn PDF document text
- https://kisikana.hr/UserFiles/files/16058902471.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072644a170ca---29069486838.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/niwujadobomoxonijobawem.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/jovozavuwej.pdfIn PDF document text
- http://cpgny.com/userfiles/files/nufazomelatigotuxoxasej.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/tagimusuj.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeaa619c1d5---73789945787.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb260d919e---buwubaliwepenigijazuxajus.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608d69932cd67---78299130804.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/47378328533.pdfIn PDF document text
- http://hopkinshigh1961.com/clients/878968/File/nikule.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/zalogulo.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/fbd290d7ace36569cf7a2c37ce0f24e9/78797210533.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084188bca44b---88526432473.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+do+i+use+my+nespresso+aeroccino3+milk+frotherPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA84 | 11440 bytes |
SHA-256: 7f86b4ad3a864fb3ed07132151a63bb7eb5acab0bfb5ca632b50f06204e3b50d |
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font_01_sfnt_off0000e56b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56B | 15968 bytes |
SHA-256: f223bf0d37a5da1613a7ab0e64bf4c55faeeae0373f3d78e080b213daff8a06e |
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font_02_sfnt_off00010e54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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